Can You Wash a Cashmere Sweater?

Yes — And You Should

Cashmere sweaters are washable at home. In fact, home washing is gentler on cashmere than dry cleaning. Dry cleaning solvents strip the natural lanolin oils that keep cashmere fibers soft and flexible. Over years of dry cleaning, cashmere gradually becomes dull and brittle. Home washing with the right detergent preserves those oils.

The "dry clean only" label on most cashmere sweaters is a liability precaution by the manufacturer, not a care requirement. It protects them if you damage the sweater by washing it incorrectly. Washed correctly, cashmere handles water perfectly well — it comes from goats that live outdoors in rain and snow.

Three Washing Methods Compared

Method	Safety	Convenience	Best For
Hand washing	Safest — zero risk when done correctly	15 min active + 12-24 hr drying	All cashmere, especially valuable pieces
Machine washing	Safe with proper settings	Most convenient	Everyday cashmere, if your machine has a wool cycle
Dry cleaning	Safe short-term, degrades fiber long-term	Drop off and pick up	Structured cashmere (blazers, coats), heavy stains

Hand Washing: The Gold Standard

Hand washing gives you complete control over every variable — temperature, agitation, handling. No spinning drum, no heat risk, no friction damage.

1. Fill a basin with cold water (30°C / 86°F max) and one teaspoon of cashmere detergent
2. Turn the sweater inside out and submerge
3. Soak 20 minutes — press gently a few times, no rubbing
4. Rinse in cold water until clear (2-3 rinses)
5. Roll in a towel and press to remove water — never wring
6. Lay flat, reshape, and air dry 12-24 hours

For the detailed walkthrough, see our complete hand washing guide.

Machine Washing: When It Works

Machine washing is safe if your machine meets three requirements:

• Wool or delicate cycle — not just "gentle." The wool cycle uses slower agitation patterns designed for animal fibers.
• Cold water setting — 30°C or below. If your machine's cold setting runs warmer than this, hand wash instead.
• Low spin speed — 600 RPM or below. High-speed spinning stretches and distorts wet cashmere.

Additional machine wash rules:

• Always use a mesh laundry bag
• Wash alone or with one other delicate item — never in a full load
• Use cashmere detergent in the dispenser, not poured on the garment
• Remove immediately when the cycle ends
• Dry flat — never tumble dry

For machine-specific settings, see our machine washing guide.

When to Dry Clean Instead

Dry cleaning is the right choice in specific situations:

• Structured cashmere garments — blazers, coats, and tailored pieces with internal structure that would lose shape in water
• Heavy or set stains — professional solvents handle certain stains (grease, ink, dye transfer) better than water-based methods
• Cashmere blends with dry-clean-only components — if the blend includes silk lining or leather trim, follow the most restrictive care requirement

For regular cashmere sweaters (pullovers, cardigans, scarves), home washing is preferred over dry cleaning for long-term fiber health.

The Non-Negotiable Rules

Regardless of which method you choose, these rules always apply:

• Cold water only. Hot water felts cashmere permanently — the fiber scales lock together and the knit structure is destroyed.
• No agitation. No rubbing, wringing, twisting, or scrubbing wet cashmere. Friction causes pilling and felting.
• Enzyme-free detergent. Regular laundry detergent contains enzymes that digest protein — and cashmere is a protein fiber. Use cashmere detergent or baby shampoo.
• Flat drying only. Never hang wet cashmere (water weight stretches it) or tumble dry (heat + tumbling = shrinkage + felting).
• Reshape while damp. Cashmere sets its shape as it dries. Skip this step and it dries in whatever random shape it landed in.

How Often to Wash

Less than you think. Cashmere does not need washing after every wear — overwashing shortens the fiber's life.

• Worn over a base layer: every 5-7 wears
• Worn against skin: every 3-4 wears
• Visible stain or odor: wash now
• Before seasonal storage: always — body oils attract moths

Between washes, air the sweater overnight after wearing. Spot clean isolated stains with a damp cloth and a drop of detergent. See our full cleaning guide for the complete range of cleaning methods.